A man from Derinkuyu, in the Nevsehir province of Turkey was renovating his basement. Using only a sledgehammer, he broke through one of his walls; and felt cool air coming in from the other side.

It is the largest excavated underground city in the world and stretches more than 85 metres below the surface.

Discover the truth behind the world's strangest architectural mysteries, from the underground city of Derinkuyu and the Egyptian pyramids to Canada's mother-in-law doors.

Konya is the final resting place of the renowned 13th century Persian poet, scholar and Sufi mystic, Jalāl al-Dīn Muḥammad ...

The discovery of the underground city of Derinkuyu was by accident and quite recent. In 1963, a local resident was carrying out renovations on his house when, while knocking down a wall, he found a ...

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The cities, such as Derinkuyu and Kaymakli, boast multiple floors of living quarters, kitchens, wineries, churches, and more. These ancient labyrinths could shelter tens of thousands of people, making ...